* 1. number value that need to be converted. can be used interger or decimal* 2. If you don't want to get zero value of taka, for an example you need to convert 0.23 and you want to skip/ignore zero in the return value then pass True otherwise False. If you pass False ( decimal_to_word.convertAmount(0.23, False, False, 'eng') ) then result will be 'zero taka and twenty three paisa only' and if you pass True ( decimal_to_word.convertAmount(0.23, True, False, 'eng') ) then result will be 'twenty three paisa only'* 3. same as taka here is the value of paisa.* 4. output language available languages 'bng' for bangla and 'eng' for english